About Definite Hearing Center (DHC)

Definite Hearing Center (DHC) was established in the year 1980 at Goregaon west in Mumbai. We have two centers in Mumbai currently. Our centersare one of the best dedicated hearing clinics in Mumbai, which provides customized and personalized services to people with hearing difficulties, Speech, language and communication disorders as well.

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Symptoms of hearing loss

The symptoms of hearing loss can vary depending on the type of hearing loss, the cause of hearing loss, and the degree of loss.
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Types of hearing loss

There are three main types of hearing loss,
• Sensorineural hearing loss
• Conductive hearing loss
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Causes of hearing loss

The cause of a particular hearing loss is important to understand since it factors heavily into determining the right treatment.
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Services


Our hearing aids are 100% digital and 100% programmable.
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    Auditory Steady State Response -

    ASSR is an auditory evoked potential, elicited with modulated tones, that can be used to predict hearing sensitivity in patients of all ages, but has specific relevance to infants and young children & difficult-to-test patients.
    • It is immune to subject state.
    • It is frequency specific, therefore predicting a more precise audiogram.
    • It estimates the range of hearing loss with more sensitivity.
    • Responses to frequencies 500, 1000, 2000 and 4000Hz in both the ears can be collected faster simultaneously.
    • 8 frequencies tested all at the same time. Reduces test time, up to 3 times faster.
    • Rely on state-of-the-art statistical methods of response detection to assist interpretation with increased accuracy at predicting behavioral audiometric thresholds, even for normal hearing and mild hearing loss.
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    Brainstem Evoked Response Audiometry -

    BERA is recording of neural responses to click stimuli with the help of various disc electrodes placed on the forehead, scalp & mastoids. Any newborn, infant or difficult to test patient can be evaluated. This test is done under natural sleep & is non-invasive. Sedation would be required only in case of hyperactive children. BERA helps to evaluate the hearing sensitivity of the newborn without active participation on their part. The responses in terms of neural waves can tell one about the hearing sensitivity as well as give a picture about the central auditory system in case of adults.
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    Impedance Audiometry -

    Computerized impedance testing to identify / rule out any middle ear pathologies.
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    Oto Acoustic Emissions -

    OAE are sounds generated within the normal cochlea either spontaneously or in response to sound stimulus. Two most widely used OAE measurements for clinical utility are:
    • Transient evoked otoacoustic emissions (TEOAE) &
    • Distortion product otoacoustic emissions (DPOAE).
    • Clinically OAE is a noninvasive method. It can be measured using a simple probe assembly, inserted in the ear canal the response of which is recorded by the computer. Stimulus used for TEOAE & DPOAE is click & pure tone respectively. Sedation is not required unless the child is too hyperactive & refuses to sit in one place. The main advantage of this procedure Is that it can be recorded on a newborn baby also. OAE measurement helps to screen high-risk infants & neonates and helps assert the presence or absence of cochlear dysfunction
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    Special Tests -

    A well-calibrated sound field testing for pediatric population. Speech audiometry, SISI, ABLB, Tone Decay, DLI also done with the help of well-calibrated computerized audiometer in a sound treated room.
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    Real Ear Probe Microphone Measurement -

    It permits precise measurement of amplification characteristics of the hearing aid from within the patient's ear canal. REM helps to verify the appropriate gain, output & also the features of the hearing aid. Digital hearing aids tend to have more features & hence probe mic testing is more important. Also, it helps to validate & verify the specific advantage provided by the hearing aid. In case of infants & children, REM becomes must as it allows us to find whether according to the audiogram, appropriate amplification is being given or not.
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    Pure Tone Audiometry -

    Dual channel computerized pure tone audiometry to accurately determine the clients hearing sensitivity in a sound treated two-room situation.
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    Otoscopic Examination -

    Our specialists have the tools and expertise to provide a thorough visual examination of your ears to see if there are any obstructions in the ear cavity, such as wax, that may be affecting your hearing.
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